From most locations, the cheapest flights to Adelaide can be found during the month of September; however great deals can be found at other times.
On average, from most locations, when planning your trip to Adelaide, try to book your flight in the region of 25 days in advance for the cheapest prices.
In general, booking your departure to Adelaide for a Wednesday represents the best deal on airfare. Try to avoid a Friday departure to stay away from the highest prices.
Generally, when visiting Adelaide, evening flights represent the best value. midday flights are likely to have higher prices.